Home / 15,249.45-21,039.44-8,534.01

Finding the Fourth Proportional to 15,249.45, 21,039.44 and 8,534.01

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Solution

The fourth proportional to 15,249.45, 21,039.44 and 8,534.01 is: 11,774.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,249.45 : 21,039.44 = 8,534.01 : x
  2. Step 2: Convert to fraction form
    15,249.45/21,039.44 = 8,534.01/x
  3. Step 3: Cross multiply
    15,249.45x = 21,039.44 × 8,534.01
  4. Step 4: Simplify right side
    15,249.45x = 179,550,701.79
  5. Step 5: Solve for x
    x = 179,550,701.79/15,249.45
  6. Step 6: Final answer
    x = 11,774.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.